Merge branch '3.12' into pythongh-106242-3.12

Author: zooba

Doc/c-api/typeobj.rst

@@ -147,7 +147,7 @@ Quick Reference
    +------------------------------------------------+-----------------------------------+-------------------+---+---+---+---+
    | :c:member:`~PyTypeObject.tp_vectorcall`        | :c:type:`vectorcallfunc`          |                   |   |   |   |   |
    +------------------------------------------------+-----------------------------------+-------------------+---+---+---+---+
-   | [:c:member:`~PyTypeObject.tp_watched`]         | char                              |                   |   |   |   |   |
+   | [:c:member:`~PyTypeObject.tp_watched`]         | unsigned char                     |                   |   |   |   |   |
    +------------------------------------------------+-----------------------------------+-------------------+---+---+---+---+
 
 .. [#slots]
@@ -2141,7 +2141,7 @@ and :c:data:`PyType_Type` effectively act as defaults.)
    .. versionadded:: 3.9 (the field exists since 3.8 but it's only used since 3.9)
 
 
-.. c:member:: char PyTypeObject.tp_watched
+.. c:member:: unsigned char PyTypeObject.tp_watched
 
    Internal. Do not use.
 

Doc/conf.py

@@ -94,6 +94,7 @@
     ('c:func', 'sprintf'),
     ('c:func', 'stat'),
     ('c:func', 'system'),
+    ('c:func', 'time'),
     ('c:func', 'vsnprintf'),
     # Standard C types
     ('c:type', 'FILE'),

Doc/data/python3.12.abi

@@ -82,5 +82,5 @@ typedef struct _typeobject {
     vectorcallfunc tp_vectorcall;
 
     /* bitset of which type-watchers care about this type */
-    char tp_watched;
+    unsigned char tp_watched;
 } PyTypeObject;

Doc/includes/typestruct.h

@@ -69,7 +69,6 @@ Doc/library/configparser.rst
 Doc/library/contextlib.rst
 Doc/library/copy.rst
 Doc/library/csv.rst
-Doc/library/ctypes.rst
 Doc/library/datetime.rst
 Doc/library/dbm.rst
 Doc/library/decimal.rst

Doc/library/ctypes.rst

@@ -227,7 +227,7 @@ struct _typeobject {
     vectorcallfunc tp_vectorcall;
 
     /* bitset of which type-watchers care about this type */
-    char tp_watched;
+    unsigned char tp_watched;
 };
 
 /* This struct is used by the specializer

Doc/tools/.nitignore

@@ -152,6 +152,7 @@ _PyType_HasFeature(PyTypeObject *type, unsigned long feature) {
 
 extern void _PyType_InitCache(PyInterpreterState *interp);
 
+extern void _PyObject_InitState(PyInterpreterState *interp);
 
 /* Inline functions trading binary compatibility for speed:
    _PyObject_Init() is the fast version of PyObject_Init(), and
@@ -271,8 +272,8 @@ extern void _PyDebug_PrintTotalRefs(void);
 
 #ifdef Py_TRACE_REFS
 extern void _Py_AddToAllObjects(PyObject *op, int force);
-extern void _Py_PrintReferences(FILE *);
-extern void _Py_PrintReferenceAddresses(FILE *);
+extern void _Py_PrintReferences(PyInterpreterState *, FILE *);
+extern void _Py_PrintReferenceAddresses(PyInterpreterState *, FILE *);
 #endif
 
 

Include/cpython/object.h

@@ -11,17 +11,22 @@ extern "C" {
 struct _py_object_runtime_state {
 #ifdef Py_REF_DEBUG
     Py_ssize_t interpreter_leaks;
-#else
-    int _not_used;
 #endif
+    int _not_used;
 };
 
 struct _py_object_state {
 #ifdef Py_REF_DEBUG
     Py_ssize_t reftotal;
-#else
-    int _not_used;
 #endif
+#ifdef Py_TRACE_REFS
+    /* Head of circular doubly-linked list of all objects.  These are linked
+     * together via the _ob_prev and _ob_next members of a PyObject, which
+     * exist only in a Py_TRACE_REFS build.
+     */
+    PyObject refchain;
+#endif
+    int _not_used;
 };
 
 

Include/internal/pycore_object.h

@@ -101,6 +101,7 @@ extern PyTypeObject _PyExc_MemoryError;
                 { .threshold = 10, }, \
             }, \
         }, \
+        .object_state = _py_object_state_INIT(INTERP), \
         .dtoa = _dtoa_state_INIT(&(INTERP)), \
         .dict_state = _dict_state_INIT, \
         .func_state = { \
@@ -130,6 +131,16 @@ extern PyTypeObject _PyExc_MemoryError;
         .context_ver = 1, \
     }
 
+#ifdef Py_TRACE_REFS
+# define _py_object_state_INIT(INTERP) \
+    { \
+        .refchain = {&INTERP.object_state.refchain, &INTERP.object_state.refchain}, \
+    }
+#else
+# define _py_object_state_INIT(INTERP) \
+    { 0 }
+#endif
+
 
 // global objects
 

Include/internal/pycore_object_state.h

@@ -1110,7 +1110,7 @@ def _find_lineno(self, obj, source_lines):
             if source_lines is None:
                 return None
             pat = re.compile(r'^\s*class\s*%s\b' %
-                             getattr(obj, '__name__', '-'))
+                             re.escape(getattr(obj, '__name__', '-')))
             for i, line in enumerate(source_lines):
                 if pat.match(line):
                     lineno = i

Include/internal/pycore_runtime_init.h

@@ -150,7 +150,11 @@ def _check_not_importing_main():
                 ...
 
         The "freeze_support()" line can be omitted if the program
-        is not going to be frozen to produce an executable.''')
+        is not going to be frozen to produce an executable.
+
+        To fix this issue, refer to the "Safe importing of main module"
+        section in https://docs.python.org/3/library/multiprocessing.html
+        ''')
 
 
 def get_preparation_data(name):

Lib/doctest.py

@@ -100,13 +100,6 @@ def _compile(code, pattern, flags):
                 emit(ANY_ALL)
             else:
                 emit(ANY)
-        elif op is POSSESSIVE_REPEAT:
-            # gh-106052: Possessive quantifiers do not work when the
-            # subpattern contains backtracking, i.e. "(?:ab?c)*+".
-            # Implement it as equivalent greedy qualifier in atomic group.
-            p = [(MAX_REPEAT, av)]
-            p = [(ATOMIC_GROUP, p)]
-            _compile(code, p, flags)
         elif op in REPEATING_CODES:
             if flags & SRE_FLAG_TEMPLATE:
                 raise error("internal: unsupported template operator %r" % (op,))

Lib/multiprocessing/spawn.py

@@ -1156,6 +1156,10 @@ def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0,
     supports_root_dir = getattr(func, 'supports_root_dir', False)
     save_cwd = None
     if root_dir is not None:
+        stmd = os.stat(root_dir).st_mode
+        if not stat.S_ISDIR(stmd):
+            raise NotADirectoryError(errno.ENOTDIR, 'Not a directory', root_dir)
+
         if supports_root_dir:
             # Support path-like base_name here for backwards-compatibility.
             base_name = os.fspath(base_name)

Lib/re/_compiler.py

@@ -1354,7 +1354,7 @@ def do_tests(setitem):
             except ValueError:
                 pass
             try:
-                setitem(b, 0, None)
+                setitem(b, 0, object())
                 self.fail("Didn't raise TypeError")
             except TypeError:
                 pass